Climate and monthly weather forecast
Germantown, WI

Weather in January

January, like December, is another subzero cold winter month in Germantown, Wisconsin, with average temperature varying between 25.2°F (-3.8°C) and 14.4°F (-9.8°C). The coldest month is January, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 14.4°F (-9.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Germantown, is another freezing cold month, with average temperature varying between 17.2°F (-8.2°C) and 28°F (-2.2°C). In Germantown, the average high-temperature in February is almost the same as in January - a still subzero cold 28°F (-2.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Germantown, Wisconsin, with average temperature varying between 39.4°F (4.1°C) and 28.2°F (-2.1°C). In Germantown, the average high-temperature increases, from a subzero cold 28°F (-2.2°C) in February, to a cold 39.4°F (4.1°C). Weather in March »

Weather in April

April is a cool spring month in Germantown, Wisconsin, with average temperature ranging between min 37°F (2.8°C) and max 50.2°F (10.1°C). In April, the average high-temperature increases, from a cold 39.4°F (4.1°C) in March, to a cool 50.2°F (10.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Germantown, Wisconsin, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 62.1°F (16.7°C). In May, the average high-temperature increases, from a fresh 50.2°F (10.1°C) in April, to an enjoyable 62.1°F (16.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Germantown, is an agreeable month, with average temperature ranging between min 56.3°F (13.5°C) and max 71.2°F (21.8°C). In Germantown, the average high-temperature in June increases, from a comfortable 62.1°F (16.7°C) in May, to an agreeable 71.2°F (21.8°C). Weather in June »

Weather in July

July in Germantown, Wisconsin, is a warm summer month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 77.5°F (25.3°C). With an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Germantown, Wisconsin, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 61.9°F (16.6°C). In Germantown, the average high-temperature in August is essentially the same as in July - a still moderately hot 76.6°F (24.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Germantown, is also an agreeable month, with average temperature varying between 70°F (21.1°C) and 55.4°F (13°C). In September, the average high-temperature slightly decreases, from a moderately hot 76.6°F (24.8°C) in August, to a pleasant 70°F (21.1°C). Weather in September »

Weather in October

October, the same as September, in Germantown, Wisconsin, is another mild autumn month, with average temperature ranging between max 56.8°F (13.8°C) and min 43.7°F (6.5°C). In October, the average high-temperature drops, from a pleasant 70°F (21.1°C) in September, to a mild 56.8°F (13.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Germantown, Wisconsin, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 32.4°F (0.2°C). In November, the average high-temperature drops, from a moderate 56.8°F (13.8°C) in October, to a chilly 43.3°F (6.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Germantown, is also a subzero cold month, with average temperature fluctuating between 22.8°F (-5.1°C) and 31.5°F (-0.3°C). In December, the average high-temperature drops, from a frosty 43.3°F (6.3°C) in November, to a subzero cold 31.5°F (-0.3°C). Weather in December »
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FAQ

What is the coldest month in Germantown?

With an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 14.4°F (-9.8°C), January is the coldest month in Germantown.

What is the most humid month in Germantown?

The most humid month in Germantown, Wisconsin, is January, with an average relative humidity of 87%.

How many days does it rain in Germantown?

Throughout the year, there are 139.2 rainfall days, and 25.28" (642mm) of precipitation is accumulated.

When does it snow in Germantown?

Months with snowfall in Germantown, Wisconsin, are January through April, October through December.

What is the snowiest month in Germantown?

January is the month with the most snowfall. Snow falls for 12.6 days and accumulates 4.02" (102mm) of snow.

How many days does it snow in Germantown?

Throughout the year, there are 48.9 snowfall days, and 15.35" (390mm) of snow is accumulated.

What is the month with the least sunshine in Germantown?

January has the least sunshine of the year in Germantown, with an average of 3.6h of sunshine.

What are the months with the lowest UV index in Germantown?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Germantown, Wisconsin.

What is the driest month in Germantown?

The month with the least rainfall is February when the rain falls for 4.1 days and typically collects 1.02" (26mm) of precipitation.

What is the wettest month in Germantown?

The month with the most rainfall in Germantown, Wisconsin, is May when the rain falls for 17 days and typically aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Germantown?

In Germantown, Wisconsin, snow does not fall in May through September.

When are the longest days in Germantown?

June has the longest days of the year, with an average of 15.3h of daylight.

What is the warmest month in Germantown?

July is the warmest month in Germantown, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 63.1°F (17.3°C).

What month has the most sunshine in Germantown?

July has the most sunshine of the year in Germantown, Wisconsin, with an average of 10.5h of sunshine.

When is the highest UV index in Germantown?

With an average maximum UV index of 6, July is the month with the highest UV index in Germantown, Wisconsin.

What is the least humid month in Germantown?

October is the least humid month, with an average relative humidity of 76%.

What is the month with the shortest days in Germantown?

December has the shortest days of the year in Germantown, with an average of 9h of daylight.

Average temperature
Germantown, WI

Average temperature - Germantown, WI

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure
Germantown, WI

Average pressure - Germantown, WI

Months with the highest atmospheric pressure are January, February and March (30.09").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Germantown, WI

Average wind speed - Germantown, WI

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average rainfall
Germantown, WI

Average rainfall - Germantown, WI

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days
Germantown, WI

Average rainfall days - Germantown, WI

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall
Germantown, WI

Average snowfall - Germantown, WI

The month with the highest snowfall is January (4.02").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Germantown, WI

Average snowfall days - Germantown, WI

The month with the highest number of snowfall days is January (12.6 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Germantown, WI

Average daylight / Average sunshine - Germantown, WI

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days
Germantown, WI

Average sunshine days - Germantown, WI

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).

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Average visibility
Germantown, WI

Average visibility - Germantown, WI

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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